// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- const Clutter = imports.gi.Clutter; const Gio = imports.gi.Gio; const Lang = imports.lang; const St = imports.gi.St; const Signals = imports.signals; const Pango = imports.gi.Pango; const Gettext_gtk30 = imports.gettext.domain('gtk30'); const Mainloop = imports.mainloop; const Shell = imports.gi.Shell; const MSECS_IN_DAY = 24 * 60 * 60 * 1000; const WEEKDATE_HEADER_WIDTH_DIGITS = 3; const SHOW_WEEKDATE_KEY = 'show-weekdate'; // in org.gnome.desktop.interface const CLOCK_FORMAT_KEY = 'clock-format'; function _sameDay(dateA, dateB) { return (dateA.getDate() == dateB.getDate() && dateA.getMonth() == dateB.getMonth() && dateA.getYear() == dateB.getYear()); } function _sameYear(dateA, dateB) { return (dateA.getYear() == dateB.getYear()); } /* TODO: maybe needs config - right now we assume that Saturday and * Sunday are non-work days (not true in e.g. Israel, it's Sunday and * Monday there) */ function _isWorkDay(date) { return date.getDay() != 0 && date.getDay() != 6; } function _getBeginningOfDay(date) { let ret = new Date(date.getTime()); ret.setHours(0); ret.setMinutes(0); ret.setSeconds(0); ret.setMilliseconds(0); return ret; } function _getEndOfDay(date) { let ret = new Date(date.getTime()); ret.setHours(23); ret.setMinutes(59); ret.setSeconds(59); ret.setMilliseconds(999); return ret; } function _formatEventTime(event, clockFormat) { let ret; if (event.allDay) { /* Translators: Shown in calendar event list for all day events * Keep it short, best if you can use less then 10 characters */ ret = C_("event list time", "All Day"); } else { switch (clockFormat) { case '24h': /* Translators: Shown in calendar event list, if 24h format */ ret = event.date.toLocaleFormat(C_("event list time", "%H:%M")); break; default: /* explicit fall-through */ case '12h': /* Transators: Shown in calendar event list, if 12h format */ ret = event.date.toLocaleFormat(C_("event list time", "%l:%M %p")); break; } } return ret; } function _getCalendarWeekForDate(date) { // Based on the algorithms found here: // http://en.wikipedia.org/wiki/Talk:ISO_week_date let midnightDate = new Date(date.getFullYear(), date.getMonth(), date.getDate()); // Need to get Monday to be 1 ... Sunday to be 7 let dayOfWeek = 1 + ((midnightDate.getDay() + 6) % 7); let nearestThursday = new Date(midnightDate.getFullYear(), midnightDate.getMonth(), midnightDate.getDate() + (4 - dayOfWeek)); let jan1st = new Date(nearestThursday.getFullYear(), 0, 1); let diffDate = nearestThursday - jan1st; let dayNumber = Math.floor(Math.abs(diffDate) / MSECS_IN_DAY); let weekNumber = Math.floor(dayNumber / 7) + 1; return weekNumber; } function _getDigitWidth(actor){ let context = actor.get_pango_context(); let themeNode = actor.get_theme_node(); let font = themeNode.get_font(); let metrics = context.get_metrics(font, context.get_language()); let width = metrics.get_approximate_digit_width(); return width; } function _getCalendarDayAbbreviation(dayNumber) { let abbreviations = [ /* Translators: Calendar grid abbreviation for Sunday. * * NOTE: These grid abbreviations are always shown together * and in order, e.g. "S M T W T F S". */ C_("grid sunday", "S"), /* Translators: Calendar grid abbreviation for Monday */ C_("grid monday", "M"), /* Translators: Calendar grid abbreviation for Tuesday */ C_("grid tuesday", "T"), /* Translators: Calendar grid abbreviation for Wednesday */ C_("grid wednesday", "W"), /* Translators: Calendar grid abbreviation for Thursday */ C_("grid thursday", "T"), /* Translators: Calendar grid abbreviation for Friday */ C_("grid friday", "F"), /* Translators: Calendar grid abbreviation for Saturday */ C_("grid saturday", "S") ]; return abbreviations[dayNumber]; } function _getEventDayAbbreviation(dayNumber) { let abbreviations = [ /* Translators: Event list abbreviation for Sunday. * * NOTE: These list abbreviations are normally not shown together * so they need to be unique (e.g. Tuesday and Thursday cannot * both be 'T'). */ C_("list sunday", "Su"), /* Translators: Event list abbreviation for Monday */ C_("list monday", "M"), /* Translators: Event list abbreviation for Tuesday */ C_("list tuesday", "T"), /* Translators: Event list abbreviation for Wednesday */ C_("list wednesday", "W"), /* Translators: Event list abbreviation for Thursday */ C_("list thursday", "Th"), /* Translators: Event list abbreviation for Friday */ C_("list friday", "F"), /* Translators: Event list abbreviation for Saturday */ C_("list saturday", "S") ]; return abbreviations[dayNumber]; } // Abstraction for an appointment/event in a calendar const CalendarEvent = new Lang.Class({ Name: 'CalendarEvent', _init: function(date, end, summary, allDay) { this.date = date; this.end = end; this.summary = summary; this.allDay = allDay; } }); // Interface for appointments/events - e.g. the contents of a calendar // // First, an implementation with no events const EmptyEventSource = new Lang.Class({ Name: 'EmptyEventSource', _init: function() { }, requestRange: function(begin, end) { }, getEvents: function(begin, end) { let result = []; return result; }, hasEvents: function(day) { return false; } }); Signals.addSignalMethods(EmptyEventSource.prototype); const CalendarServerIface = ; const CalendarServerInfo = Gio.DBusInterfaceInfo.new_for_xml(CalendarServerIface); function CalendarServer() { var self = new Gio.DBusProxy({ g_connection: Gio.DBus.session, g_interface_name: CalendarServerInfo.name, g_interface_info: CalendarServerInfo, g_name: 'org.gnome.Shell.CalendarServer', g_object_path: '/org/gnome/Shell/CalendarServer', g_flags: Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES }); self.init(null); return self; } function _datesEqual(a, b) { if (a < b) return false; else if (a > b) return false; return true; } function _dateIntervalsOverlap(a0, a1, b0, b1) { if (a1 <= b0) return false; else if (b1 <= a0) return false; else return true; } // an implementation that reads data from a session bus service const DBusEventSource = new Lang.Class({ Name: 'DBusEventSource', _init: function() { this._resetCache(); this._dbusProxy = new CalendarServer(); this._dbusProxy.connectSignal('Changed', Lang.bind(this, this._onChanged)); this._dbusProxy.connect('notify::g-name-owner', Lang.bind(this, function() { if (this._dbusProxy.g_name_owner) this._onNameAppeared(); else this._onNameVanished(); })); }, _resetCache: function() { this._events = []; this._lastRequestBegin = null; this._lastRequestEnd = null; }, _onNameAppeared: function(owner) { this._resetCache(); this._loadEvents(true); }, _onNameVanished: function(oldOwner) { this._resetCache(); this.emit('changed'); }, _onChanged: function() { this._loadEvents(false); }, _onEventsReceived: function([appointments]) { let newEvents = []; if (appointments != null) { for (let n = 0; n < appointments.length; n++) { let a = appointments[n]; let date = new Date(a[4] * 1000); let end = new Date(a[5] * 1000); let summary = a[1]; let allDay = a[3]; let event = new CalendarEvent(date, end, summary, allDay); newEvents.push(event); } newEvents.sort(function(event1, event2) { return event1.date.getTime() - event2.date.getTime(); }); } this._events = newEvents; this.emit('changed'); }, _loadEvents: function(forceReload) { if (this._curRequestBegin && this._curRequestEnd){ let callFlags = Gio.DBusCallFlags.NO_AUTO_START; if (forceReload) callFlags = Gio.DBusCallFlags.NONE; this._dbusProxy.GetEventsRemote(this._curRequestBegin.getTime() / 1000, this._curRequestEnd.getTime() / 1000, forceReload, Lang.bind(this, this._onEventsReceived), callFlags); } }, requestRange: function(begin, end, forceReload) { if (forceReload || !(_datesEqual(begin, this._lastRequestBegin) && _datesEqual(end, this._lastRequestEnd))) { this._lastRequestBegin = begin; this._lastRequestEnd = end; this._curRequestBegin = begin; this._curRequestEnd = end; this._loadEvents(forceReload); } }, getEvents: function(begin, end) { let result = []; for(let n = 0; n < this._events.length; n++) { let event = this._events[n]; if (_dateIntervalsOverlap (event.date, event.end, begin, end)) { result.push(event); } } return result; }, hasEvents: function(day) { let dayBegin = _getBeginningOfDay(day); let dayEnd = _getEndOfDay(day); let events = this.getEvents(dayBegin, dayEnd); if (events.length == 0) return false; return true; } }); Signals.addSignalMethods(DBusEventSource.prototype); // Calendar: // @eventSource: is an object implementing the EventSource API, e.g. the // requestRange(), getEvents(), hasEvents() methods and the ::changed signal. const Calendar = new Lang.Class({ Name: 'Calendar', _init: function(eventSource) { if (eventSource) { this._eventSource = eventSource; this._eventSource.connect('changed', Lang.bind(this, function() { this._update(false); })); } this._weekStart = Shell.util_get_week_start(); this._weekdate = NaN; this._digitWidth = NaN; this._settings = new Gio.Settings({ schema: 'org.gnome.shell.calendar' }); this._settings.connect('changed::' + SHOW_WEEKDATE_KEY, Lang.bind(this, this._onSettingsChange)); this._useWeekdate = this._settings.get_boolean(SHOW_WEEKDATE_KEY); // Find the ordering for month/year in the calendar heading this._headerFormatWithoutYear = '%B'; switch (Gettext_gtk30.gettext('calendar:MY')) { case 'calendar:MY': this._headerFormat = '%B %Y'; break; case 'calendar:YM': this._headerFormat = '%Y %B'; break; default: log('Translation of "calendar:MY" in GTK+ is not correct'); this._headerFormat = '%B %Y'; break; } // Start off with the current date this._selectedDate = new Date(); this.actor = new St.Table({ homogeneous: false, style_class: 'calendar', reactive: true }); this.actor.connect('scroll-event', Lang.bind(this, this._onScroll)); this._buildHeader (); }, // Sets the calendar to show a specific date setDate: function(date, forceReload) { if (!_sameDay(date, this._selectedDate)) { this._selectedDate = date; this._update(forceReload); this.emit('selected-date-changed', new Date(this._selectedDate)); } else { if (forceReload) this._update(forceReload); } }, _buildHeader: function() { let offsetCols = this._useWeekdate ? 1 : 0; this.actor.destroy_all_children(); // Top line of the calendar '<| September 2009 |>' this._topBox = new St.BoxLayout(); this.actor.add(this._topBox, { row: 0, col: 0, col_span: offsetCols + 7 }); this.actor.connect('style-changed', Lang.bind(this, this._onStyleChange)); let back = new St.Button({ style_class: 'calendar-change-month-back' }); this._topBox.add(back); back.connect('clicked', Lang.bind(this, this._onPrevMonthButtonClicked)); this._monthLabel = new St.Label({style_class: 'calendar-month-label'}); this._topBox.add(this._monthLabel, { expand: true, x_fill: false, x_align: St.Align.MIDDLE }); let forward = new St.Button({ style_class: 'calendar-change-month-forward' }); this._topBox.add(forward); forward.connect('clicked', Lang.bind(this, this._onNextMonthButtonClicked)); // Add weekday labels... // // We need to figure out the abbreviated localized names for the days of the week; // we do this by just getting the next 7 days starting from right now and then putting // them in the right cell in the table. It doesn't matter if we add them in order let iter = new Date(this._selectedDate); iter.setSeconds(0); // Leap second protection. Hah! iter.setHours(12); for (let i = 0; i < 7; i++) { // Could use iter.toLocaleFormat('%a') but that normally gives three characters // and we want, ideally, a single character for e.g. S M T W T F S let customDayAbbrev = _getCalendarDayAbbreviation(iter.getDay()); let label = new St.Label({ style_class: 'calendar-day-base calendar-day-heading', text: customDayAbbrev }); this.actor.add(label, { row: 1, col: offsetCols + (7 + iter.getDay() - this._weekStart) % 7, x_fill: false, x_align: St.Align.MIDDLE }); iter.setTime(iter.getTime() + MSECS_IN_DAY); } // All the children after this are days, and get removed when we update the calendar this._firstDayIndex = this.actor.get_n_children(); }, _onStyleChange: function(actor, event) { // width of a digit in pango units this._digitWidth = _getDigitWidth(this.actor) / Pango.SCALE; this._setWeekdateHeaderWidth(); }, _setWeekdateHeaderWidth: function() { if (this.digitWidth != NaN && this._useWeekdate && this._weekdateHeader) { this._weekdateHeader.set_width (this._digitWidth * WEEKDATE_HEADER_WIDTH_DIGITS); } }, _onScroll : function(actor, event) { switch (event.get_scroll_direction()) { case Clutter.ScrollDirection.UP: case Clutter.ScrollDirection.LEFT: this._onPrevMonthButtonClicked(); break; case Clutter.ScrollDirection.DOWN: case Clutter.ScrollDirection.RIGHT: this._onNextMonthButtonClicked(); break; } }, _onPrevMonthButtonClicked: function() { let newDate = new Date(this._selectedDate); let oldMonth = newDate.getMonth(); if (oldMonth == 0) { newDate.setMonth(11); newDate.setFullYear(newDate.getFullYear() - 1); if (newDate.getMonth() != 11) { let day = 32 - new Date(newDate.getFullYear() - 1, 11, 32).getDate(); newDate = new Date(newDate.getFullYear() - 1, 11, day); } } else { newDate.setMonth(oldMonth - 1); if (newDate.getMonth() != oldMonth - 1) { let day = 32 - new Date(newDate.getFullYear(), oldMonth - 1, 32).getDate(); newDate = new Date(newDate.getFullYear(), oldMonth - 1, day); } } this.setDate(newDate, false); }, _onNextMonthButtonClicked: function() { let newDate = new Date(this._selectedDate); let oldMonth = newDate.getMonth(); if (oldMonth == 11) { newDate.setMonth(0); newDate.setFullYear(newDate.getFullYear() + 1); if (newDate.getMonth() != 0) { let day = 32 - new Date(newDate.getFullYear() + 1, 0, 32).getDate(); newDate = new Date(newDate.getFullYear() + 1, 0, day); } } else { newDate.setMonth(oldMonth + 1); if (newDate.getMonth() != oldMonth + 1) { let day = 32 - new Date(newDate.getFullYear(), oldMonth + 1, 32).getDate(); newDate = new Date(newDate.getFullYear(), oldMonth + 1, day); } } this.setDate(newDate, false); }, _onSettingsChange: function() { this._useWeekdate = this._settings.get_boolean(SHOW_WEEKDATE_KEY); this._buildHeader(); this._update(false); }, _update: function(forceReload) { let now = new Date(); if (_sameYear(this._selectedDate, now)) this._monthLabel.text = this._selectedDate.toLocaleFormat(this._headerFormatWithoutYear); else this._monthLabel.text = this._selectedDate.toLocaleFormat(this._headerFormat); // Remove everything but the topBox and the weekday labels let children = this.actor.get_children(); for (let i = this._firstDayIndex; i < children.length; i++) children[i].destroy(); // Start at the beginning of the week before the start of the month let beginDate = new Date(this._selectedDate); beginDate.setDate(1); beginDate.setSeconds(0); beginDate.setHours(12); let daysToWeekStart = (7 + beginDate.getDay() - this._weekStart) % 7; beginDate.setTime(beginDate.getTime() - daysToWeekStart * MSECS_IN_DAY); let iter = new Date(beginDate); let row = 2; while (true) { let button = new St.Button({ label: iter.getDate().toString() }); let rtl = button.get_text_direction() == Clutter.TextDirection.RTL; if (!this._eventSource) button.reactive = false; let iterStr = iter.toUTCString(); button.connect('clicked', Lang.bind(this, function() { let newlySelectedDate = new Date(iterStr); this.setDate(newlySelectedDate, false); })); let hasEvents = this._eventSource && this._eventSource.hasEvents(iter); let styleClass = 'calendar-day-base calendar-day'; if (_isWorkDay(iter)) styleClass += ' calendar-work-day' else styleClass += ' calendar-nonwork-day' // Hack used in lieu of border-collapse - see gnome-shell.css if (row == 2) styleClass = 'calendar-day-top ' + styleClass; let leftMost = rtl ? iter.getDay() == (this._weekStart + 6) % 7 : iter.getDay() == this._weekStart; if (leftMost) styleClass = 'calendar-day-left ' + styleClass; if (_sameDay(now, iter)) styleClass += ' calendar-today'; else if (iter.getMonth() != this._selectedDate.getMonth()) styleClass += ' calendar-other-month-day'; if (_sameDay(this._selectedDate, iter)) button.add_style_pseudo_class('active'); if (hasEvents) styleClass += ' calendar-day-with-events' button.style_class = styleClass; let offsetCols = this._useWeekdate ? 1 : 0; this.actor.add(button, { row: row, col: offsetCols + (7 + iter.getDay() - this._weekStart) % 7 }); if (this._useWeekdate && iter.getDay() == 4) { let label = new St.Label({ text: _getCalendarWeekForDate(iter).toString(), style_class: 'calendar-day-base calendar-week-number'}); this.actor.add(label, { row: row, col: 0, y_align: St.Align.MIDDLE }); } iter.setTime(iter.getTime() + MSECS_IN_DAY); if (iter.getDay() == this._weekStart) { // We stop on the first "first day of the week" after the month we are displaying if (iter.getMonth() > this._selectedDate.getMonth() || iter.getYear() > this._selectedDate.getYear()) break; row++; } } // Signal to the event source that we are interested in events // only from this date range if (this._eventSource) this._eventSource.requestRange(beginDate, iter, forceReload); } }); Signals.addSignalMethods(Calendar.prototype); const EventsList = new Lang.Class({ Name: 'EventsList', _init: function(eventSource) { this.actor = new St.BoxLayout({ vertical: true, style_class: 'events-header-vbox'}); this._date = new Date(); this._eventSource = eventSource; this._eventSource.connect('changed', Lang.bind(this, this._update)); this._desktopSettings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' }); this._desktopSettings.connect('changed', Lang.bind(this, this._update)); this._weekStart = Shell.util_get_week_start(); this._update(); }, _addEvent: function(dayNameBox, timeBox, eventTitleBox, includeDayName, day, time, desc) { if (includeDayName) { dayNameBox.add(new St.Label( { style_class: 'events-day-dayname', text: day } ), { x_fill: true } ); } timeBox.add(new St.Label( { style_class: 'events-day-time', text: time} ), { x_fill: true } ); eventTitleBox.add(new St.Label( { style_class: 'events-day-task', text: desc} )); }, _addPeriod: function(header, begin, end, includeDayName, showNothingScheduled) { if (!this._eventSource) return; let events = this._eventSource.getEvents(begin, end); let clockFormat = this._desktopSettings.get_string(CLOCK_FORMAT_KEY);; if (events.length == 0 && !showNothingScheduled) return; let vbox = new St.BoxLayout( {vertical: true} ); this.actor.add(vbox); vbox.add(new St.Label({ style_class: 'events-day-header', text: header })); let box = new St.BoxLayout({style_class: 'events-header-hbox'}); let dayNameBox = new St.BoxLayout({ vertical: true, style_class: 'events-day-name-box' }); let timeBox = new St.BoxLayout({ vertical: true, style_class: 'events-time-box' }); let eventTitleBox = new St.BoxLayout({ vertical: true, style_class: 'events-event-box' }); box.add(dayNameBox, {x_fill: false}); box.add(timeBox, {x_fill: false}); box.add(eventTitleBox, {expand: true}); vbox.add(box); for (let n = 0; n < events.length; n++) { let event = events[n]; let dayString = _getEventDayAbbreviation(event.date.getDay()); let timeString = _formatEventTime(event, clockFormat); let summaryString = event.summary; this._addEvent(dayNameBox, timeBox, eventTitleBox, includeDayName, dayString, timeString, summaryString); } if (events.length == 0 && showNothingScheduled) { let now = new Date(); /* Translators: Text to show if there are no events */ let nothingEvent = new CalendarEvent(now, now, _("Nothing Scheduled"), true); let timeString = _formatEventTime(nothingEvent, clockFormat); this._addEvent(dayNameBox, timeBox, eventTitleBox, false, "", timeString, nothingEvent.summary); } }, _showOtherDay: function(day) { this.actor.destroy_all_children(); let dayBegin = _getBeginningOfDay(day); let dayEnd = _getEndOfDay(day); let dayString; let now = new Date(); if (_sameYear(day, now)) /* Translators: Shown on calendar heading when selected day occurs on current year */ dayString = day.toLocaleFormat(C_("calendar heading", "%A, %B %d")); else /* Translators: Shown on calendar heading when selected day occurs on different year */ dayString = day.toLocaleFormat(C_("calendar heading", "%A, %B %d, %Y")); this._addPeriod(dayString, dayBegin, dayEnd, false, true); }, _showToday: function() { this.actor.destroy_all_children(); let now = new Date(); let dayBegin = _getBeginningOfDay(now); let dayEnd = _getEndOfDay(now); this._addPeriod(_("Today"), dayBegin, dayEnd, false, true); let tomorrowBegin = new Date(dayBegin.getTime() + 86400 * 1000); let tomorrowEnd = new Date(dayEnd.getTime() + 86400 * 1000); this._addPeriod(_("Tomorrow"), tomorrowBegin, tomorrowEnd, false, true); let dayInWeek = (dayEnd.getDay() - this._weekStart + 7) % 7; if (dayInWeek < 5) { /* If now is within the first 5 days we show "This week" and * include events up until and including Saturday/Sunday * (depending on whether a week starts on Sunday/Monday). */ let thisWeekBegin = new Date(dayBegin.getTime() + 2 * 86400 * 1000); let thisWeekEnd = new Date(dayEnd.getTime() + (6 - dayInWeek) * 86400 * 1000); this._addPeriod(_("This week"), thisWeekBegin, thisWeekEnd, true, false); } else { /* otherwise it's one of the two last days of the week ... show * "Next week" and include events up until and including *next* * Saturday/Sunday */ let nextWeekBegin = new Date(dayBegin.getTime() + 2 * 86400 * 1000); let nextWeekEnd = new Date(dayEnd.getTime() + (13 - dayInWeek) * 86400 * 1000); this._addPeriod(_("Next week"), nextWeekBegin, nextWeekEnd, true, false); } }, // Sets the event list to show events from a specific date setDate: function(date) { if (!_sameDay(date, this._date)) { this._date = date; this._update(); } }, _update: function() { let today = new Date(); if (_sameDay (this._date, today)) { this._showToday(); } else { this._showOtherDay(this._date); } } });